Opening a meV mass window for axionlike particles with a microwave-laser-mixed stimulated resonant photon collider

Le résumé fourni par la source

We propose a microwave-laser-mixed three-beam stimulated resonant photon collider, which enables access to axionlike particles in the meV mass range. Collisions between a focused pulse laser beam and a focused microwave pulse beam directly produce axionlike particles (ALPs) and another focused pulse laser beam stimulates their decay. The expected sensitivity in the meV mass range has been evaluated. The result shows that the sensitivity can reach the ALP-photon coupling down to O ( 10 − 13 ) GeV − 1 with 10 6 shots if 10–100 TW class high-intensity lasers are properly combined with a conventional 100 MW class S-band klystron. This proposal paves the way for identifying the nature of ALPs as candidates for dark matter, independent of any cosmological and astrophysical models. Published by the American Physical Society 2024

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